diff --git a/apps/backend/package.json b/apps/backend/package.json
index a2b34ade99b8951186d267a773e576f05beff200..345144eedf51dc23d9ef9792106b9cedc22aaea7 100644
--- a/apps/backend/package.json
+++ b/apps/backend/package.json
@@ -5,7 +5,7 @@
   "author": "",
   "private": true,
   "license": "UNLICENSED",
-  "packageManager": "yarn@4.4.0",
+  "packageManager": "yarn@4.4.1",
   "scripts": {
     "build": "nest build",
     "clean": "rimraf dist",
diff --git a/apps/eventListener/package.json b/apps/eventListener/package.json
index e6865f165ce070d0dfd69f316226008fdf7e0019..ba82610280c7f9b22648ce15fb2e060a09947876 100644
--- a/apps/eventListener/package.json
+++ b/apps/eventListener/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@holi/moderation-event-listener",
   "main": "dist/index.js",
-  "packageManager": "yarn@4.4.0",
+  "packageManager": "yarn@4.4.1",
   "dependencies": {
     "@google-cloud/functions-framework": "3.4.2",
     "@ory/client": "1.14.2"
diff --git a/apps/frontend/package.json b/apps/frontend/package.json
index 8608be2fc5757db177960df6e8cd7b4005eb9d18..c90915c561020661e3213e2a0aa66c47c73a51e5 100644
--- a/apps/frontend/package.json
+++ b/apps/frontend/package.json
@@ -3,7 +3,7 @@
   "private": true,
   "version": "0.1.0",
   "type": "module",
-  "packageManager": "yarn@4.4.0",
+  "packageManager": "yarn@4.4.1",
   "scripts": {
     "dev": "vite",
     "build": "yarn clean && vite build",
diff --git a/mprocs-start-fake.ts b/mprocs-start-fake.ts
index 23ef583f2f382815c3ca5e4efe8e138d8f0003b3..728bb922a0d6f5ddb506473b087f5d2b833bd3b0 100644
--- a/mprocs-start-fake.ts
+++ b/mprocs-start-fake.ts
@@ -1,7 +1,7 @@
 import type { IncomingMessage, ServerResponse } from 'http'
 import { createServer } from 'http'
 
-import type { GraphQLSchema } from 'graphql'
+import type { IntrospectionQuery } from 'graphql'
 import { introspectionFromSchema, parse as parseGql } from 'graphql'
 import { NestFactory } from '@nestjs/core'
 import { GraphQLSchemaBuilderModule, GraphQLSchemaFactory } from '@nestjs/graphql'
@@ -9,15 +9,14 @@ import { ReportsResolver } from '@holi/moderation-backend/dist/src/reports/resol
 import { Pagination, Success } from '@holi/moderation-backend/dist/src/graphql/commonSchema'
 import { AuthResolver } from '@holi/moderation-backend/dist/src/auth/resolver'
 
-async function gqlSchemaFrom(types: Array<any>): Promise<GraphQLSchema> {
+async function introspectionSchemaFrom(types: Array<any>): Promise<IntrospectionQuery> {
   const app = await NestFactory.create(GraphQLSchemaBuilderModule)
   await app.init()
-
   const gqlSchemaFactory = app.get(GraphQLSchemaFactory)
   const schema = await gqlSchemaFactory.create(types)
-
   await app.close()
-  return schema
+
+  return introspectionFromSchema(schema)
 }
 
 const buildListener =
@@ -29,6 +28,8 @@ const buildListener =
     })
 
     req.on('end', () => {
+      if (!body) return res.end()
+
       const parsedBody = JSON.parse(body)
       const query = parsedBody.query
       const operationName = parsedBody.operationName
@@ -43,7 +44,7 @@ const buildListener =
 
       if ('IntrospectionQuery' === inferredOperationName) {
         res.writeHead(200, { 'Content-Type': 'application/json' })
-        res.end(JSON.stringify(introspectionResponse))
+        res.end(JSON.stringify({ data: introspectionResponse }))
       }
       if ('ReportContent' === inferredOperationName) {
         res.writeHead(200, { 'Content-Type': 'application/json' })
@@ -59,12 +60,13 @@ const COMMON_TYPES = [Pagination, Success]
 
 const RESOLVERS_TO_FAKE = [ReportsResolver]
 
-void gqlSchemaFrom([...RESOLVERS_TO_FAKE, ...COMMON_RESOLVERS, ...COMMON_TYPES]).then((schema) => {
-  const introspectionResponse = {
-    data: {
-      ...introspectionFromSchema(schema),
-    },
-  }
+void (async () => {
+  const introspectionResponse = await introspectionSchemaFrom([
+    ...RESOLVERS_TO_FAKE,
+    ...COMMON_RESOLVERS,
+    ...COMMON_TYPES,
+  ])
+
   const createReportResponse = {
     // "moderation_" relates to the unified-api mesh prefix name for the mutation
     moderation_createReport: {
@@ -77,4 +79,4 @@ void gqlSchemaFrom([...RESOLVERS_TO_FAKE, ...COMMON_RESOLVERS, ...COMMON_TYPES])
   server.listen(PORT, () => {
     console.log(`Fake backend running on http://localhost:${PORT}/graphql`)
   })
-})
+})()
diff --git a/package.json b/package.json
index 9678ef871e80d3fb55a0eb3989431b6f16d681f0..72779c5d22f7655ef659d8c5c74abcc57bdf12d2 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@holi/moderation",
   "private": true,
-  "packageManager": "yarn@4.4.0",
+  "packageManager": "yarn@4.4.1",
   "workspaces": [
     "apps/backend",
     "apps/frontend",